<!doctype html>
<html lang="zh-CN">
<head>
  <meta charset="UTF-8">
  <meta name="viewport"
        content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
</head>
<body>
  <script>
    class People {
      name = "人"
      constructor () {
        //console.log("function called")
        //console.log("this", this)
        this.name = "好人"
        this.age = 18
        return this
      }
    }

    const p = new People()  // name, age



    console.log(p)
  </script>
</body>
</html>
